How to open the password lock of rotating safe with password?

Mechanical coded locks (three groups of digital locks) assume that three groups of digital locks are (10); (20); (30)。

1. No matter which group of numbers the marking line is facing, it needs to rotate clockwise for two times, and then continue to rotate until (10) is aligned with the marking line on the fixed disk.

2. Rotate counterclockwise for one turn, and then continue to rotate and align (20) the marking line on it;

3. Turn clockwise to align (30) with the above-mentioned marking line, and then stop. At this time, the password lock is opened. After checking three sets of numbers, the combination lock should not be moved. Then, insert the key into the lock hole and unlock it correctly. Turn the handle, pull it out and open the cupboard door.

Extended data:

Safe is a special kind of container, which can be divided into fireproof safe, burglarproof safe, antimagnetic safe, fireproof antimagnetic safe and so on according to its functions.

Electronic password safe: refers to the password lock controlled by the circuit board; The electronic password safe has been developed in recent years, because its password can be changed at will and its operation is simple, so it has developed rapidly and is also a trend.

Mechanical password safe: refers to a password lock controlled by a mechanical compass. Mechanical password safe is a traditional type and is also deeply loved by people. In fact, there is not much difference between the two, mainly depending on personal preferences.

Anti-theft safe: its function is mainly anti-theft. Usually, the box and door panel are made of steel plates. Due to the high hardness of the steel plate, the anti-theft performance is superior.

Fire-proof safe: Its main function is fire prevention. Usually, fireproof materials are filled between the box body and the door panel to prevent heat transfer, so the fireproof performance is superior.

Fingerprint safe: It is a safe that can be unlocked by fingerprints. With the development of science and technology, safes are becoming more and more scientific, intelligent and humanized. Its product structure is precise, its safety factor is high, its performance is superior, and it is very user-friendly and shows high grade. It doesn't need to remember the password, which breaks the traditional complicated password locking mode. It can be opened with the touch of a finger, and its application is more and more extensive.

Car safe: Car safe, also known as car safe, is a special device for storing important items and spare tires in cars, and is a necessary item for property safety in cars.

Baidu Encyclopedia: Security.